The ampacity of a conductor is the maximum current it can carry continuously, under the conditions of use, without exceeding its temperature rating [Article 100 ...

The term “ampacity” is used hundreds of times throughout the Code and is defined in Art. 100 as “the maximum current, in amperes, that a conductor can carry ...

To see a video on this topic by the author, click here. However, as the frequency increases; the current moves toward the outside of the conductor as indicated by the red and orange colors. This ...